<template>
  <view>
		<view class="search-box"><my-search @click="gotoSearch">搜索</my-search></view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <!-- 循环渲染轮播图的 item 项 -->
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id ">
         <!-- 动态绑定图片的 src 属性 -->
         <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
   </swiper> 
	  <!-- 分类导航区域 -->
	  <view class="nav-list">
	    <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
	      <image :src="item.image_src" class="nav-img"></image>
	    </view>
	  </view>
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" mode="widthFix" class="floor-title"></image>
			  <!-- 楼层图片区域 -->
			  <view class="floor-img-box">
			    <!-- 左侧大图片的盒子 -->
			    <navigator class="left-img-box" :url="item.product_list[0].url">
			      <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
			    </navigator>
			    <!-- 右侧 4 个小图片的盒子 -->
		    	<view class="right-img-box">
			      <navigator class="right-img-item" v-for="(item2, i2) in item.product_list":key="i2" v-if="i2 !== 0" :url="item2.url" >
			        <image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width + 'rpx'}"></image>
			      </navigator>
			    </view>
			  </view>
			</view>
    </view>
	</view>
</template>






<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	
	export default {
		mixins: [badgeMix],
		data() {
			return {
				//轮播图数据列表
				swiperList : [],
				//分类导航列表
				navList : [],
				//楼层列表
				floorList: [],
			};
		},
		onLoad() {
			//获取轮播图数据
			this.getSwiperList(),
			this.getNavList(),
			this.getFloorList()
		},
		 methods: {
      async getSwiperList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()

        this.swiperList = res.message
      },
      async getNavList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      
     // 获取首页楼层数据的方法
      async getFloorList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()

        // 对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
			navClickHandler(item) {
			  if (item.name === '分类') {
			    uni.switchTab({
			      url: '/pages/cate/cate'
			    })
			  }
			},
			gotoSearch(){
				uni.navigateTo({
					url: '/subpkg/search/search'
				})
			}
    }
  }
</script>

<style lang="scss">
	swiper {
		height: 330rpx;
		
		.swiper-item,
		image {
			width: 100%;
			height: 100%;
		}
	}
	
	.nav-list {
	  display: flex;
	  justify-content: space-around;
	  margin: 15px 0;
		
	.nav-img {
	  width: 128rpx;
	  height: 140rpx;
	  }
	}
	.floor-title{
		width: 100%;
		height: 60rpx;
		display: flex;
	}
	
	.right-img-box {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	}
	.floor-img-box {
	display: flex;
	padding-left: 14rpx;
	}
	
	.search-box{
		// 设置定位效果为“吸顶”
		position: sticky;
		// 吸顶的“位置”
		top: 0;
		// 提高层级，防止被轮播图覆盖
		z-index: 999;
	}
</style>
